Question

Ajutați-ma la ex. 160

Answer 1

x×(64:8)=32
64x:8x=32
8x=32
x=32:8
x=4

x+(6x4)=60
24x=60
x=60:24
x=15:6

2x4x=40
8x=40
x=5

3x+48=60
x=4

Answer 2

a×(64:8)=32
a×8=32
32:8=4

a+(6×4)=×0
a+24=60
60-24=36

2×4×a=40
8×a=40
40:a=5

3×a+6×8=60
3×a+48=690
3×a=60-48
3×a=12
12:3=4